Big Spot Front and Center
Probably the largest sunspot (1339) that we have observed in several years has rotated to the center of the Sun (Nov. 6-8, 2011) as viewed by the SDO where effects from solar storms could possibly be felt here at Earth. This large sunspot is accompanied by a good many smaller sunspots as well. It has already blasted out several medium- to large-sized solar flares and has the potential to hurl out more. How large is it? The group extends more than 100,000 km from end to end and each of the several dark cores is larger than Earth.
Mediatype imageSource http://www.nasa.gov/mission_pages/sdo/multimedia/potw/potw-75.htmlLicenseurl http://www.nasaimages.org/Terms.htmlDate 2011-11-10Identifier 602959main_BigSpot_Nov-origAddeddate 2012-01-26 19:42:18Publicdate 2012-01-26 19:42:31Backup_location ia903708_4